<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=11"/>
<meta name="generator" content="Doxygen 1.9.4"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>Flow: log/detail/log_fwd.hpp Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/searchdata.js"></script>
<script type="text/javascript" src="search/search.js"></script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
 <tbody>
 <tr id="projectrow">
  <td id="projectalign">
   <div id="projectname">Flow<span id="projectnumber">&#160;2.0.0</span>
   </div>
   <div id="projectbrief">Flow project: Full implementation reference.</div>
  </td>
 </tr>
 </tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.9.4 -->
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
var searchBox = new SearchBox("searchBox", "search",'Search','.html');
/* @license-end */
</script>
<script type="text/javascript" src="menudata.js"></script>
<script type="text/javascript" src="menu.js"></script>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
$(function() {
  initMenu('',true,false,'search.php','Search');
  $(document).ready(function() { init_search(); });
});
/* @license-end */
</script>
<div id="main-nav"></div>
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
     onmouseover="return searchBox.OnSearchSelectShow()"
     onmouseout="return searchBox.OnSearchSelectHide()"
     onkeydown="return searchBox.OnSearchSelectKey(event)">
</div>

<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0" 
        name="MSearchResults" id="MSearchResults">
</iframe>
</div>

<div id="nav-path" class="navpath">
  <ul>
<li class="navelem"><a class="el" href="dir_9381a7bbd03577d6d8720c7f35c94ffa.html">log</a></li><li class="navelem"><a class="el" href="dir_1efabf1cd0b709973fdc844b590473f2.html">detail</a></li>  </ul>
</div>
</div><!-- top -->
<div class="header">
  <div class="headertitle"><div class="title">log_fwd.hpp</div></div>
</div><!--header-->
<div class="contents">
<a href="detail_2log__fwd_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">/* Flow</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment"> * Copyright 2023 Akamai Technologies, Inc.</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment"> *</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment"> * Licensed under the Apache License, Version 2.0 (the</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment"> * &quot;License&quot;); you may not use this file except in</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment"> * compliance with the License.  You may obtain a copy</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment"> * of the License at</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment"> *</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment"> *   https://www.apache.org/licenses/LICENSE-2.0</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="comment"> *</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="comment"> * Unless required by applicable law or agreed to in</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="comment"> * writing, software distributed under the License is</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="comment"> * distributed on an &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="comment"> * CONDITIONS OF ANY KIND, either express or implied.</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment"> * See the License for the specific language governing</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="comment"> * permissions and limitations under the License. */</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="comment"></span> </div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="comment">/// @file</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="comment"></span><span class="preprocessor">#pragma once</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span> </div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="preprocessor">#include &quot;<a class="code" href="log__fwd_8hpp.html">flow/log/log_fwd.hpp</a>&quot;</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="preprocessor">#include &lt;boost/thread.hpp&gt;</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="preprocessor">#include &lt;boost/unordered_map.hpp&gt;</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="preprocessor">#include &lt;vector&gt;</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span><span class="preprocessor">#include &lt;map&gt;</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span><span class="preprocessor">#include &lt;unordered_map&gt;</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span><span class="preprocessor">#include &lt;typeinfo&gt;</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span><span class="preprocessor">#include &lt;typeindex&gt;</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span> </div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceflow_1_1log.html">flow::log</a></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span>{</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span><span class="comment">// Types.</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span> </div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span><span class="comment">// Find doc headers near the bodies of these compound types.</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span> </div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span><span class="keyword">class </span>Serial_file_logger;</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Map_to_cfg_t&gt;</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span><span class="keyword">class </span>Component_payload_type_dict_by_ptr_via_map;</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Cfg_t&gt;</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span><span class="keyword">class </span>Component_payload_type_dict_by_ptr_via_array;</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Cfg_t&gt;</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span><span class="keyword">class </span>Component_payload_type_dict_by_ptr_via_sorted_array;</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Map_to_cfg_t&gt;</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span><span class="keyword">class </span>Component_payload_type_dict_by_val_via_map;</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Cfg_t&gt;</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span><span class="keyword">class </span>Component_payload_type_dict_by_val_via_array;</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Cfg_t&gt;</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span><span class="keyword">class </span>Component_payload_type_dict_by_val_via_sorted_array;</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Dict_by_ptr_t, <span class="keyword">typename</span> Dict_by_val_t&gt;</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span><span class="keyword">class </span>Component_payload_type_dict;</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span><span class="comment"></span> </div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span><span class="comment">/// Convenience alias.</span></div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span><span class="comment"></span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Cfg_t&gt;</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"><a class="line" href="namespaceflow_1_1log.html#a6c8647b07c73f3a1160937053c16e15c">   54</a></span><span class="keyword">using </span><a class="code hl_class" href="classflow_1_1log_1_1Component__payload__type__dict__by__ptr__via__map.html">Component_payload_type_dict_by_ptr_via_tree_map</a></div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span>  = <a class="code hl_class" href="classflow_1_1log_1_1Component__payload__type__dict__by__ptr__via__map.html">Component_payload_type_dict_by_ptr_via_map&lt;std::map&lt;const std::type_info*, Cfg_t&gt;</a>&gt;;<span class="comment"></span></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span><span class="comment">/// Convenience alias.</span></div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span><span class="comment"></span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Cfg_t&gt;</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"><a class="line" href="namespaceflow_1_1log.html#a91ff6edac2697bd16b5b82598a3a49ab">   58</a></span><span class="keyword">using </span><a class="code hl_class" href="classflow_1_1log_1_1Component__payload__type__dict__by__ptr__via__map.html">Component_payload_type_dict_by_ptr_via_s_hash_map</a></div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span>  = <a class="code hl_class" href="classflow_1_1log_1_1Component__payload__type__dict__by__ptr__via__map.html">Component_payload_type_dict_by_ptr_via_map&lt;std::unordered_map&lt;const std::type_info*, Cfg_t&gt;</a>&gt;;<span class="comment"></span></div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span><span class="comment">/// Convenience alias.</span></div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span><span class="comment"></span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Cfg_t&gt;</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"><a class="line" href="namespaceflow_1_1log.html#ac94f575d6d855074f820b3846f2a7e7b">   62</a></span><span class="keyword">using </span><a class="code hl_class" href="classflow_1_1log_1_1Component__payload__type__dict__by__ptr__via__map.html">Component_payload_type_dict_by_ptr_via_b_hash_map</a></div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span>  = <a class="code hl_class" href="classflow_1_1log_1_1Component__payload__type__dict__by__ptr__via__map.html">Component_payload_type_dict_by_ptr_via_map&lt;boost::unordered_map&lt;const std::type_info*, Cfg_t&gt;</a>&gt;;<span class="comment"></span></div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span><span class="comment">/// Convenience alias.</span></div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span><span class="comment"></span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Cfg_t&gt;</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"><a class="line" href="namespaceflow_1_1log.html#aa4b9faf0aade18a87a0ce91c154d0261">   66</a></span><span class="keyword">using </span><a class="code hl_class" href="classflow_1_1log_1_1Component__payload__type__dict__by__val__via__map.html">Component_payload_type_dict_by_val_via_tree_map</a></div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span>  = <a class="code hl_class" href="classflow_1_1log_1_1Component__payload__type__dict__by__val__via__map.html">Component_payload_type_dict_by_val_via_map&lt;std::map&lt;std::type_index, Cfg_t&gt;</a>&gt;;<span class="comment"></span></div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span><span class="comment">/// Convenience alias.</span></div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span><span class="comment"></span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Cfg_t&gt;</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"><a class="line" href="namespaceflow_1_1log.html#a362a481c04c35a9a52a95ad775e2a43a">   70</a></span><span class="keyword">using </span><a class="code hl_class" href="classflow_1_1log_1_1Component__payload__type__dict__by__val__via__map.html">Component_payload_type_dict_by_val_via_s_hash_map</a></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span>  = <a class="code hl_class" href="classflow_1_1log_1_1Component__payload__type__dict__by__val__via__map.html">Component_payload_type_dict_by_val_via_map&lt;std::unordered_map&lt;std::type_index, Cfg_t&gt;</a>&gt;;<span class="comment"></span></div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span><span class="comment">/// Convenience alias.</span></div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span><span class="comment"></span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Cfg_t&gt;</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"><a class="line" href="namespaceflow_1_1log.html#aba7c58c12eb721799ee4bae328c5535e">   74</a></span><span class="keyword">using </span><a class="code hl_class" href="classflow_1_1log_1_1Component__payload__type__dict__by__val__via__map.html">Component_payload_type_dict_by_val_via_b_hash_map</a></div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span>  = <a class="code hl_class" href="classflow_1_1log_1_1Component__payload__type__dict__by__val__via__map.html">Component_payload_type_dict_by_val_via_map&lt;boost::unordered_map&lt;std::type_index, Cfg_t&gt;</a>&gt;;</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span> </div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span><span class="comment">// Globals.</span></div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span><span class="comment"></span> </div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span><span class="comment">/**</span></div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span><span class="comment"> * Thread-local Msg_metadata object used by FLOW_LOG_WITHOUT_CHECKING() for an alleged perf bonus in the</span></div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span><span class="comment"> * synchronous-Logger code path.  It is allocated at the first log call site for a given thread; and auto-deallocated</span></div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span><span class="comment"> * when thread exits.</span></div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span><span class="comment"> */</span></div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span><span class="keyword">extern</span> boost::thread_specific_ptr&lt;Msg_metadata&gt; <a class="code hl_variable" href="namespaceflow_1_1log.html#ada740b2acb9b14ebf025883245c64357">this_thread_sync_msg_metadata_ptr</a>;</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span> </div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span>} <span class="comment">// namespace flow::log</span></div>
<div class="ttc" id="aclassflow_1_1log_1_1Component__payload__type__dict__by__ptr__via__map_html"><div class="ttname"><a href="classflow_1_1log_1_1Component__payload__type__dict__by__ptr__via__map.html">flow::log::Component_payload_type_dict_by_ptr_via_map</a></div><div class="ttdoc">An internal-use dictionary for fast lookup of small Cfg values keyed by type_info objects,...</div><div class="ttdef"><b>Definition:</b> <a href="component__cfg_8hpp_source.html#l00147">component_cfg.hpp:148</a></div></div>
<div class="ttc" id="aclassflow_1_1log_1_1Component__payload__type__dict__by__val__via__map_html"><div class="ttname"><a href="classflow_1_1log_1_1Component__payload__type__dict__by__val__via__map.html">flow::log::Component_payload_type_dict_by_val_via_map</a></div><div class="ttdoc">An internal-use dictionary for fast lookup of small Cfg values keyed by type_info objects,...</div><div class="ttdef"><b>Definition:</b> <a href="component__cfg_8hpp_source.html#l00345">component_cfg.hpp:346</a></div></div>
<div class="ttc" id="alog__fwd_8hpp_html"><div class="ttname"><a href="log__fwd_8hpp.html">log_fwd.hpp</a></div></div>
<div class="ttc" id="anamespaceflow_1_1log_html"><div class="ttname"><a href="namespaceflow_1_1log.html">flow::log</a></div><div class="ttdoc">Flow module providing logging functionality.</div><div class="ttdef"><b>Definition:</b> <a href="async__file__logger_8cpp_source.html#l00027">async_file_logger.cpp:28</a></div></div>
<div class="ttc" id="anamespaceflow_1_1log_html_ada740b2acb9b14ebf025883245c64357"><div class="ttname"><a href="namespaceflow_1_1log.html#ada740b2acb9b14ebf025883245c64357">flow::log::this_thread_sync_msg_metadata_ptr</a></div><div class="ttdeci">boost::thread_specific_ptr&lt; Msg_metadata &gt; this_thread_sync_msg_metadata_ptr</div><div class="ttdoc">Thread-local Msg_metadata object used by FLOW_LOG_WITHOUT_CHECKING() for an alleged perf bonus in the...</div><div class="ttdef"><b>Definition:</b> <a href="log_8cpp_source.html#l00028">log.cpp:28</a></div></div>
</div><!-- fragment --></div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated on Fri Mar 28 2025 22:55:35 for Flow by&#160;<a href="https://www.doxygen.org/index.html"><img class="footer" src="doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.9.4
</small></address>
</body>
</html>
